Finding the Fourth Proportional to 10,990,462.67, 15,156,913.76 and 6,860,877
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Solution
The fourth proportional to 10,990,462.67, 15,156,913.76 and 6,860,877 is: 9,461,814.68
Step by Step Solution
- Step 1: Write the proportion equation
10,990,462.67 : 15,156,913.76 = 6,860,877 : x - Step 2: Convert to fraction form
10,990,462.67/15,156,913.76 = 6,860,877/x - Step 3: Cross multiply
10,990,462.67x = 15,156,913.76 × 6,860,877 - Step 4: Simplify right side
10,990,462.67x = 103,989,721,006,967.52 - Step 5: Solve for x
x = 103,989,721,006,967.52/10,990,462.67 - Step 6: Final answer
x = 9,461,814.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.